| > But it's still a highly addictive substance I'd call it slightly addictive. It seems it only becomes highly addictive in concert with other ingredients of tobacco smoke, at least that's what the German Wikipedia [1] has and it references [2,3,4,5,6,7] (I didn't read those myself as I can't say I understand their terminology) [1] https://de.wikipedia.org/wiki/Nicotin [2] http://www.nature.com/npp/journal/v30/n4/full/1300586a.html [3] http://www.ncbi.nlm.nih.gov/pubmed/9089846 [4] http://ec.europa.eu/health/scientific_committees/opinions_la... [5] http://ntr.oxfordjournals.org/content/14/1/75.short [6] http://www.nature.com/npp/journal/v31/n8/full/1300987a.html [7] http://www.ncbi.nlm.nih.gov/books/NBK53018/ |